Smith, J Beverley, Jones, Ieuan Gwynedd, Lewis, Ceri W., Williams, Penry, Morgan, Kenneth O., Daniel, Glyn E., Fussell, G E., Elsas, Madeleine, Williams, Moelwyn, Glamorgan History Society, Williams, Lionel, Greenway, W., Lewis, J Parry, Williams, M Fay, Williams, G J., Williams, A H., Quinn, D B., England, J., Rees, R D., Thomas, W S K.,

Williams, G J.,

Robert, Gruffydd, Williams, G J.,

Williams, G J.,

Williams, G J., 1998

Williams, G J., Jones, E J.,

Williams, G J., 1998

Williams, G J., 1998

Williams, G J.,

Williams, G. J. (Griffith John), 1892-1963, Roberts, Griffith, fl. 1570, 1939

Williams, G. J. (Griffith John), 1892-1963, 1948

Williams, G. J. (Griffith John), 1892-1963, 1972

Williams, G. J. (Griffith John), 1892-1963, 1956

Williams, G. J. (Griffith John), 1892-1963, 1963

Jones, E. J., Williams, G. J. (Griffith John), 1892-1963, 1935

Williams, G. J. (Griffith John), 1892-1963, 1926

Williams, G. J. (Griffith John), 1892-1963,

Williams, G. J. (Griffith John), 1892-1963, Roberts, Gruffydd, fl. 1570, 1939